By Sam Fowles Both main parties are guilty of proposing ideas which seem more designed to catch headlines than genuinely address public policy challenges. In this column I take policies on their own terms and ask whether they solve the problem they’re supposed to solve. This week, we’re looking at Labour’s plan “to breathe life into Britain’s high streets“. What’s the plan?The plan has five points of action: Put more police on the streets to crack down on shopliftingRoll out banking hubsReform business rates to balance the playing field between online and bricks and mortar retailersCrack down …